static void gicv2m_realize(DeviceState *dev, Error **errp)
{
ARMGICv2mState *s = ARM_GICV2M(dev);
int i;
if (s->num_spi > GICV2M_NUM_SPI_MAX) {
error_setg(errp,
"requested %u SPIs exceeds GICv2m frame maximum %d",
s->num_spi, GICV2M_NUM_SPI_MAX);
return;
}
if (s->base_spi + 32 > 1020 - s->num_spi) {
error_setg(errp,
"requested base SPI %u+%u exceeds max. number 1020",
s->base_spi + 32, s->num_spi);
return;
}
for (i = 0; i < s->num_spi; i++) {
sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->spi[i]);
}
msi_nonbroken = true;
kvm_gsi_direct_mapping = true;
kvm_msi_via_irqfd_allowed = kvm_irqfds_enabled();
}
static void kvm_arm_its_realize(DeviceState *dev, Error **errp)
{
GICv3ITSState *s = ARM_GICV3_ITS_COMMON(dev);
Error *local_err = NULL;
s->dev_fd = kvm_create_device(kvm_state, KVM_DEV_TYPE_ARM_VGIC_ITS, false);
if (s->dev_fd < 0) {
error_setg_errno(errp, -s->dev_fd, "error creating in-kernel ITS");
return;
}
/* explicit init of the ITS */
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true, &error_abort);
/* register the base address */
kvm_arm_register_device(&s->iomem_its_cntrl, -1, KVM_DEV_ARM_VGIC_GRP_ADDR,
KVM_VGIC_ITS_ADDR_TYPE, s->dev_fd);
gicv3_its_init_mmio(s, NULL);
if (!kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_CTLR)) {
error_setg(&s->migration_blocker, "This operating system kernel "
"does not support vITS migration");
migrate_add_blocker(s->migration_blocker, &local_err);
if (local_err) {
error_propagate(errp, local_err);
error_free(s->migration_blocker);
return;
}
} else {
qemu_add_vm_change_state_handler(vm_change_state_handler, s);
}
kvm_msi_use_devid = true;
kvm_gsi_direct_mapping = false;
kvm_msi_via_irqfd_allowed = kvm_irqfds_enabled();
}
